Karen Dyer. Her primary practice is as a Registered Nurse, also practicing as a Registered Nurse, a Registered Nurse: Case Management, a Registered Nurse: Home Health, a Registered Nurse: Nutrition Support, a Registered Nurse: Psych/Mental Health, Child & Adolescent, a Registered Nurse: Psych/Mental Health, Adult, a Registered Nurse: Rehabilitation, and a Registered Nurse: Occupational Health.